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usr / src / contrib / llvm-project / llvm / lib / Target / BPF /

📁 ..
📁 AsmParser
📄 BPF.h(1.33 KB)
📄 BPF.td(1.63 KB)
📄 BPFAbstractMemberAccess.cpp(33.35 KB)
📄 BPFAsmPrinter.cpp(5.11 KB)
📄 BPFCORE.h(1.16 KB)
📄 BPFCallingConv.td(1.79 KB)
📄 BPFFrameLowering.cpp(1.49 KB)
📄 BPFFrameLowering.h(1.46 KB)
📄 BPFISelDAGToDAG.cpp(16.73 KB)
📄 BPFISelLowering.cpp(28.04 KB)
📄 BPFISelLowering.h(5.33 KB)
📄 BPFInstrFormats.td(2.81 KB)
📄 BPFInstrInfo.cpp(8.23 KB)
📄 BPFInstrInfo.h(2.43 KB)
📄 BPFInstrInfo.td(30.55 KB)
📄 BPFMCInstLower.cpp(2.62 KB)
📄 BPFMCInstLower.h(1.17 KB)
📄 BPFMIChecking.cpp(6.54 KB)
📄 BPFMIPeephole.cpp(15.45 KB)
📄 BPFMISimplifyPatchable.cpp(10.86 KB)
📄 BPFPreserveDIType.cpp(3.93 KB)
📄 BPFRegisterInfo.cpp(3.96 KB)
📄 BPFRegisterInfo.h(1.23 KB)
📄 BPFRegisterInfo.td(1.51 KB)
📄 BPFSelectionDAGInfo.cpp(1.63 KB)
📄 BPFSelectionDAGInfo.h(1.24 KB)
📄 BPFSubtarget.cpp(1.84 KB)
📄 BPFSubtarget.h(2.83 KB)
📄 BPFTargetMachine.cpp(4.43 KB)
📄 BPFTargetMachine.h(1.41 KB)
📄 BTF.def(1015 B)
📄 BTF.h(8.27 KB)
📄 BTFDebug.cpp(41.2 KB)
📄 BTFDebug.h(11.66 KB)
📁 Disassembler
📁 MCTargetDesc
📁 TargetInfo

Editing: BPFSubtarget.h

//===-- BPFSubtarget.h - Define Subtarget for the BPF -----------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file declares the BPF specific subclass of TargetSubtargetInfo.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_BPF_BPFSUBTARGET_H
#define LLVM_LIB_TARGET_BPF_BPFSUBTARGET_H

#include "BPFFrameLowering.h"
#include "BPFISelLowering.h"
#include "BPFInstrInfo.h"
#include "BPFSelectionDAGInfo.h"
#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/Target/TargetMachine.h"

#define GET_SUBTARGETINFO_HEADER
#include "BPFGenSubtargetInfo.inc"

namespace llvm {
class StringRef;

class BPFSubtarget : public BPFGenSubtargetInfo {
  virtual void anchor();
  BPFInstrInfo InstrInfo;
  BPFFrameLowering FrameLowering;
  BPFTargetLowering TLInfo;
  BPFSelectionDAGInfo TSInfo;

private:
  void initializeEnvironment();
  void initSubtargetFeatures(StringRef CPU, StringRef FS);
  bool probeJmpExt();

protected:
  // unused
  bool isDummyMode;

// whether the cpu supports jmp ext
  bool HasJmpExt;

// whether the cpu supports jmp32 ext.
  // NOTE: jmp32 is not enabled when alu32 enabled.
  bool HasJmp32;

// whether the cpu supports alu32 instructions.
  bool HasAlu32;

// whether we should enable MCAsmInfo DwarfUsesRelocationsAcrossSections
  bool UseDwarfRIS;

public:
  // This constructor initializes the data members to match that
  // of the specified triple.
  BPFSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS,
               const TargetMachine &TM);

BPFSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);

// ParseSubtargetFeatures - Parses features string setting specified
  // subtarget options.  Definition of function is auto generated by tblgen.
  void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
  bool getHasJmpExt() const { return HasJmpExt; }
  bool getHasJmp32() const { return HasJmp32; }
  bool getHasAlu32() const { return HasAlu32; }
  bool getUseDwarfRIS() const { return UseDwarfRIS; }

const BPFInstrInfo *getInstrInfo() const override { return &InstrInfo; }
  const BPFFrameLowering *getFrameLowering() const override {
    return &FrameLowering;
  }
  const BPFTargetLowering *getTargetLowering() const override {
    return &TLInfo;
  }
  const BPFSelectionDAGInfo *getSelectionDAGInfo() const override {
    return &TSInfo;
  }
  const TargetRegisterInfo *getRegisterInfo() const override {
    return &InstrInfo.getRegisterInfo();
  }
};
} // End llvm namespace

#endif

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Editing: BPFSubtarget.h

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